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超顺磁磁铁矿磁接收器磁学模型
引用本文:钱霞.超顺磁磁铁矿磁接收器磁学模型[J].四川大学学报(自然科学版),2017,54(6):1295-1300.
作者姓名:钱霞
作者单位:聊城大学物理科学与信息工程学院
基金项目:国家自然科学基金,省自然科学基金
摘    要:生物磁铁矿磁接收器理论模型包括单畴磁铁矿磁接收器模型和超顺磁磁铁矿磁接收器模型.蜜蜂体内存在典型的超顺磁磁铁矿颗粒.本文以蜜蜂为例,从磁学理论角度出发,定性的探讨了超顺磁磁铁矿磁接收器的磁学模型和工作机制.在外磁场作用下,每个超顺磁颗粒会受到力的作用,同时伴随着尺寸沿着一定方向的收缩和扩张.超顺磁颗粒把力以及扩张收缩作用传递给外面的生物膜及生物骨架(埋藏在神经系统中)从而产生相应的神经信号,而多个超顺磁颗粒磁接收系统的存在会放大和加强信号的产生.

关 键 词:生物磁铁矿,磁接收器,超顺磁磁铁矿磁接收器  磁学模型
收稿时间:2016/5/3 0:00:00
修稿时间:2016/6/14 0:00:00

The magnetic model of the superparamagnetic magnetite magnetoreception
QIAN Xia.The magnetic model of the superparamagnetic magnetite magnetoreception[J].Journal of Sichuan University (Natural Science Edition),2017,54(6):1295-1300.
Authors:QIAN Xia
Institution:School of Physics Science and Information Engineering, Liaocheng University, Key Laboratory of Optical Communication Sicence and Technology of Shandong Province
Abstract:The model of biomagnetite magnetoreceptions include the model of single-domain magnetite magnetoreception and the model of superparamagnetic magnetite magnetoreception. In honeybees, there are many typical superparamagnetic magnetites, so in this paper, the magnetic model and working mechanism of the superparamagnetic magnetite magnetoreception are discussed qualitatively from the point of view of theory of magnetism taking the example of honeybees. In the outer magnetic field, each superparamagnetic magnetite can be act on with the size extend or contract along different directions. Superparamagnetic magnetites transmit the force and change of size to the outer biomembrane and eukaryotic cytoskeleton which embedding in the nervous system, so a nerve signal can be produced. The signals can be magnified because many superparamagnetic magnetites exist.
Keywords:biomagnetite  magnetoreception  superparamagnetic magnetite magnetoreception  magnetic model
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